March 26, 2025
When Steve Stierwalt studied agriculture at the University of Illinois in the 1970s, soil health wasn’t commonly taught or discussed. Faculty often told their young farming students to put all their faith in commercial fertilizers.
But over his 40 years as a corn and soybean farmer in Champaign County, Stierwalt said soil erosion, which can cause fertilizer and manure runoff to end up in nearby rivers and streams, has become an increasingly serious problem…